20284272

素因数分解:

$2^4\times 3^2\times {\mathrm{140863}}^1$

素因数の和:140877

約数の個数: 30

約数和(自身を含む): 56768192

約数和(自身を除く): 36483920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140863, 281726, 422589, 563452, 845178, 1126904, 1267767, 1690356, 2253808, 2535534, 3380712, 5071068, 6761424, 10142136, 20284272]

約数ペア:

[(1, 20284272), (2, 10142136), (3, 6761424), (4, 5071068), (6, 3380712), (8, 2535534), (9, 2253808), (12, 1690356), (16, 1267767), (18, 1126904), (24, 845178), (36, 563452), (48, 422589), (72, 281726), (144, 140863)]